package testes;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

public class FlickerTest
{
    int width = 1;

    private void create()
    {
        final JFrame f = new JFrame("JSplitPane");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel p1 = new JPanel();
        p1.setPreferredSize(new Dimension(100, 300));

        JPanel p2 = new JPanel();
        p2.setPreferredSize(new Dimension(0,0));
        p2.setBackground(Color.gray);

        JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, p1, p2);
        jsp.setSize(new Dimension(400, 800));

        Timer timer = new Timer(1, new ActionListener()
        {
            @Override
            public void actionPerformed(ActionEvent e)
            {
                width++;

                if (width == 2)
                {
                    try
                    {
                        Thread.sleep(1500);
                    }
                    catch (Exception ex)
                    {
                    }
                }

                int frameWidth = f.getWidth() + width;
                Dimension d    = new Dimension(frameWidth, f.getHeight());
                f.setSize(d);

                if (width > 20)
                {
                    Timer t = (Timer) e.getSource();
                    t.stop();
                }

            }
        });

        f.add(jsp);
        f.pack();
        f.setLocationRelativeTo(null);
        f.setVisible(true);
        timer.start();
    }

    public static void main(String[] args) throws Exception
    {
        new FlickerTest().create();
    }
}
